Home / 7,966.38-11,949.36-3,809.34

Finding the Fourth Proportional to 7,966.38, 11,949.36 and 3,809.34

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Solution

The fourth proportional to 7,966.38, 11,949.36 and 3,809.34 is: 5,713.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,966.38 : 11,949.36 = 3,809.34 : x
  2. Step 2: Convert to fraction form
    7,966.38/11,949.36 = 3,809.34/x
  3. Step 3: Cross multiply
    7,966.38x = 11,949.36 × 3,809.34
  4. Step 4: Simplify right side
    7,966.38x = 45,519,175.02
  5. Step 5: Solve for x
    x = 45,519,175.02/7,966.38
  6. Step 6: Final answer
    x = 5,713.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.